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Audi B9 SQ5 Quattro 3.0T

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Audi B9 SQ5 Quattro 3.0T Brake Sensors

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Brake Pad Wear Sensor - Priced Each

ES#4871975 - 4M0615121AB - Brake Pad Wear Sensor - Priced Each - Always replace when replacing pads. - Bremmen Parts - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871975
Mfg#:
4M0615121AB
In Stock
ON SALE! SAVE 15%
$10.99

This product was last offered at the strikethrough price on
05-02-2026

$9.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Brake Pad Wear Sensor

ES#4871984 - 80A615121 - Rear Brake Pad Wear Sensor - Indicates when the rear brake pads need replaced - Bremmen Parts - Audi

Indicates when the rear brake pads need replaced affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871984
Mfg#:
80A615121
In Stock
ON SALE! SAVE 19%
$22.99

This product was last offered at the strikethrough price on
05-02-2026

$18.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor with Heavy Duty Connector - Priced Each

ES#4066644 - 4M0615121AB - Brake Pad Wear Sensor with Heavy Duty Connector - Priced Each - Always replace when replacing pads. - Hamburg Tech - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4066644
Mfg#:
4M0615121AB
In Stock
$10.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Brake Pad Wear Sensor

ES#4140360 - 80A615121 - Rear Brake Pad Wear Sensor - Indicates when the rear brake pads need replaced - Bowa - Audi

Indicates when the rear brake pads need replaced affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bowa - Corporate Logo
ES#:
4140360
Mfg#:
80A615121
Ships in 1 Business Day
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Sensor - Priced Each

ES#3172429 - 4G0615121D - Front Brake Pad Sensor - Priced Each - Recommend replacing with every brake pad service - ATE - Audi

Recommend replacing with every brake pad service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ATE - Corporate Logo
ES#:
3172429
Mfg#:
4G0615121D
Ships in 2 Business Days
$23.99

This product was last offered at the strikethrough price on
05-07-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Sensor - Priced Each

ES#4871970 - 4G0615121D - Front Brake Pad Sensor - Priced Each - Recommend replacing with every brake pad service - Bremmen Parts - Audi

Recommend replacing with every brake pad service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871970
Mfg#:
4G0615121D
In Stock
ON SALE! SAVE 22%
$22.99

This product was last offered at the strikethrough price on
05-02-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor - Priced Each

ES#3648467 - 4M0615121AB - Brake Pad Wear Sensor - Priced Each - Always replace when replacing pads. - Bowa - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bowa - Corporate Logo
ES#:
3648467
Mfg#:
4M0615121AB
Ships in 1 Business Day
$31.46

This product was last offered at the strikethrough price on
05-20-2026

$31.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor - Priced Each

ES#3417346 - 4M0615121AB - Brake Pad Wear Sensor - Priced Each - Always replace when replacing pads. - Genuine Volkswagen Audi - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3417346
Mfg#:
4M0615121AB
In Stock
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$170.99

This product was last offered at the strikethrough price on
06-18-2026

$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor - Priced Each

ES#4345253 - 4M0615121AB - Brake Pad Wear Sensor - Priced Each - Always replace when replacing pads. - Febi - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4345253
Mfg#:
4M0615121AB
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Brake Pad Wear Sensor

ES#3212676 - 80A615121 - Rear Brake Pad Wear Sensor - Indicates when the rear brake pads need replaced - Genuine Volkswagen Audi - Audi

Indicates when the rear brake pads need replaced affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3212676
Mfg#:
80A615121
Ships in 1 day
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$116.99

This product was last offered at the strikethrough price on
06-18-2026

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Sensor

ES#2987770 - 4G0615121D - Front Brake Pad Sensor - Recommend replacing with every brake pad service - Genuine Volkswagen Audi - Audi

Recommend replacing with every brake pad service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2987770
Mfg#:
4G0615121D
Ships in 1 day
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$66.99

This product was last offered at the strikethrough price on
03-13-2026

$61.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor With Heavy Duty Connector - Set Of Two

ES#5375162 - 4m0615121absKT - Brake Pad Wear Sensor With Heavy Duty Connector - Set Of Two - Always replace when replacing pads. - Hamburg Tech - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
5375162
Mfg#:
4M0615121ABSKT
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor - Priced Each

ES#4020260 - 4M0615121AB - Brake Pad Wear Sensor - Priced Each - Always replace when replacing pads. - Sadeca - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Sadeca
ES#:
4020260
Mfg#:
4M0615121AB
Ships in 3 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ABS Sensor - Priced Each

Repair your ABS system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Delphi - Corporate Logo
ES#:
4839656
Mfg#:
4M0927807C
In Stock at Vendor
$91.99

This product was last offered at the strikethrough price on
05-07-2026

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor - Priced Each

ES#3648428 - 4M0615121AB - Brake Pad Wear Sensor - Priced Each - Always replace when replacing pads. - Original Equipment Supplier - Audi

Always replace when replacing pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3648428
Mfg#:
4M0615121AB
Ships in 1 day
$128.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ABS Sensor - Priced Each

Repair your ABS system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3014983
Mfg#:
4M0927807C
Ships in 4 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$95.00

This product was last offered at the strikethrough price on
06-18-2026

$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Brake Sensors

Pad sensors are a critical part of any brake service on vehicles that have them. We have OE-fit pad sensors with exact- match electrical connectors for easy installation. We also stock select pressure sensors for vehicles with electronic stability control.

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Manufacturer names and/or part numbers are used only for identification purposes.

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